Adjective "placental" definition and examples



Definitions and examples


Relating to a placenta.
  1. 'She believes her 14-year-old daughter's scleroderma, a systemic sclerosis, is linked to silicone crossing the placental barrier.'
  2. 'I would like to see more about the possibility of using the placental and adult stem cells vs. the embryonic ones.'
  3. 'We applaud stem-cell research, especially with adult cells, and placental and umbilical tissues.'
  4. 'The quagga is a placental mammal, a group also called Eutheria by scientists.'
  5. 'Both taxa are placental or eutherian mammals, but their relationships to other eutherians continue to be a source of discussion.'
  6. 'To distinguish them from the marsupials and the placental mammals the monotremes are placed in their own class, the prototheria.'


A placental mammal.
  1. 'Split of therians into placentals and marsupials happens at this time.'
  2. 'An unquestioned monotreme, Steropodon has molars that are surprisingly similar to those of marsupials and placentals, suggesting a closer relationship to living therians than had generally been thought.'


1. Anatomy, Zoology. the organ in most mammals, formed in the lining of the uterus by the union of the uterine mucous membrane with the membranes of the fetus, that provides for the nourishment of the fetus and the elimination of its waste products.

2. Botany. the part of the ovary of flowering plants that bears the ovules. (in ferns and related plants) the tissue giving rise to sporangia.

More examples(as adjective)

"weights can be placental."

"transfusions can be placental."

"mammals can be placental."

"dnas can be placental."

"tissues can be placental."

More examples++